<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>在线翻译</title>
    <link href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
    <link rel="stylesheet" href="https://cdn.bootcss.com/font-awesome/5.8.2/css/all.min.css">
</head>
<body>
    <div class="jumbotron jumbotron-fluid">
        <div class="container text-center">
            <h1 class="display-4">翻译</h1>
            <p class="lead">中英互译</p>
        </div>
    </div>
    <div class="container">
        <div class="row justify-content-between mb-3">
            <div class="col-md-3">
                <div class="btn-group btn-block" role="group" aria-label="Basic example" id="btn_if">
                    <button type="button" class="btn btn-primary" disabled="disabled">中文</button>
                    <button type="button" class="btn btn-light" disabled="disabled">英语</button>
                </div>
            </div>
            <div class="col-md-3">
                <button type="button" class="btn btn-secondary btn-block" id="btn_swap" onclick="lan()">
                    <i class="fas fa-arrows-alt-h"></i>
                </button>
            </div>
            <div class="col-md-3">
                <div class="btn-group btn-block" role="group" aria-label="Basic examlp" id="btn_that">
                    <button type="button" class="btn btn-primary" disabled="disabled">英语</button>
                    <button type="button" class="btn btn-light" disabled="disabled">中文</button>
                </div>
            </div>
        </div>
        <div class="row">
            <div class="col-md-6">
                <div class="form-group">
                    <textarea id="text_if" rows="5" class="form-control"></textarea>
                </div>
            </div>
            <div class="col-md-6">
                <div class="form-group">
                    <textarea id="text_that" rows="5" class="form-control" placeholder="翻译" readonly="readonly"></textarea>
                </div>
            </div>
        </div>
        <div class="row">
            <div class="col-md-3">
                <button type="button" class="btn btn-primary btn-block btn-lg" id="btn_res" onclick="res()">翻译</button>
            </div>
        </div>
    </div>
    
    
    
    <script src="script.js"></script>
</body>
</html>